Flexible perovskite solar cells get a greener future as Japanese scientists recover 99.7% of their toxic lead.
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The price of gold today, as of 9:26 a.m. ET, was $4,146.95 per ounce. That’s down 0.67% in the past 24 hours. The lowest trading price within the last day: $4,131.81 per ounce. The highest gold spot ...
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